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Taya2010 [7]
3 years ago
9

3 What is the y-intercept of the line with the equation Y = 1/2 - x - 3?

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
8 0

Answer:

<h2>a. -3</h2>

Step-by-step explanation:

Given Equation :

y =  \frac{1}{2} x - 3

Which is in slope intercept form :

y = mx + b

Where :

m = slope

b = y-intercept.

Thus , in the given Equation , the y-intercept is -3

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Rewrite the equation below in slope-intercept form.<br><br> 2y−8x=18
zavuch27 [327]

2y - 8x = 18

2y = 18 + 8x

y = 8x/2 + 18/2

y = 4x + 9

5 0
3 years ago
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M=K(t+r) solve for t
jasenka [17]

Answer:

t = (M/K)-r

Step-by-step explanation:

We want to isolate the variable t.

So, we should first divide both sides by K

M/K=(t+r)

Then, we can subtract r from both sides, giving us

(M/K)-r=t

And that's your answer

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Elmer works in a computer store. He is paid a weekly salary $180 and a commission of 4.5% of all sales. One week, he sold $9770
WINSTONCH [101]

Answer:

$619.65

Step-by-step explanation:

We know that he gets paid 180 a week, but we don't know how much he got from the commission of his sales. To find it, you multiply 9770 by 0.045 (because 0.045 = 4.5%) which you get 439.65. You then add the 180 to get 619.65.

5 0
3 years ago
A Restaurant offers a choice of 4 salads, 8 main courses, and 4 desserts. How many possible 3-course meals are there ?
BaLLatris [955]
122 possible 3 course meal options.
4 0
3 years ago
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You notice a hot air balloon descending. The elevation h (in feet) of the balloon is modeled by the function h(x)=−6x+330, where
Anastasy [175]

Answer:

<h3>55 secs</h3>

Step-by-step explanation:

Given the elevation h (in feet) of the balloon modeled by the function h(x)=−6x+330, we can calculate the time it takes the balloon to reach the ground. The hot air balloon hits the ground at h(x) = 0.

Substitute h(x) = 0 into the modeled expression and find x as shown;

h(x)=−6x+330

0 = −6x+330

6x = 330

Divide both sides by 6

6x/6 = 330/6

x = 55 seconds

Hence the hot air balloon hits the ground after 55 seconds

4 0
2 years ago
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